<div nz-row>
  <nz-tabset [(nzSelectedIndex)]="index" (nzSelectedIndexChange)="handle($event)">
    <nz-tab nzTitle="商品列表">
      <app-commodity *ngIf="index === 0" (updateEvent)="editCommdoity($event)"></app-commodity>
    </nz-tab>
    <nz-tab nzTitle="添加商品">
        <app-add-commodity *ngIf="index === 1" [commodityVI]="model"></app-add-commodity>
    </nz-tab>
  </nz-tabset>
</div>
